%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\item % 1-1
\newcommand{\FAA}{
设 ... 求 ...
}

%\item % 1-1-a.  
\newcommand{\FAAsol}{
{\color{red}解答：
\begin{enumerate}[label=(\arabic*)]
\item  将 ...
\dotfill (\underline{\,\,2分\,\,})
\item  根据 ...
\dotfill (\underline{\,\,1分\,\,})
\item  可得 ...
\dotfill (\underline{\,\,2分\,\,})
\end{enumerate}
}
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%\item % 1-2
\newcommand{\FAB}{
设 ... 求 ...
}

%\item % 1-2-a.  
\newcommand{\FABsol}{
{\color{red}解答：
\begin{enumerate}[label=(\arabic*)]
\item  将 ...
\dotfill (\underline{\,\,2分\,\,})
\item  根据 ...
\dotfill (\underline{\,\,1分\,\,})
\item  可得 ...
\dotfill (\underline{\,\,2分\,\,})
\end{enumerate}
}
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
